Year	current US$
1976	187753715263.26077
1977	217983833343.75705
1978	263972702437.11514
1979	320618322612.5249
1980	381685618437.30707
1981	390778037709.17645
1982	385369673477.50604
1983	375859062987.52124
1984	388468001718.2227
1985	405940853860.5823
1986	475717868422.1804
1987	559623980995.6824
1988	624236087289.1879
1989	679660714848.9885
1990	825795221923.831
1991	867068861389.212
1992	978853538528.2992
1993	985501575733.8403
1994	1076291317388.3018
1995	1234804283109.3743
1996	1326389517578.4355
1997	1427516291735.1243
1998	1451738330032.4006
1999	1559861950877.6353
2000	1672668029398.0664
2001	1671134486915.7114
2002	1785160804509.1096
2003	1970287073970.2756
2004	2402156646847.064
2005	2657193486059.531
2006	2997799724855.3115
2007	3590466506628.099
2008	4055972076060.4434
2009	3623338183971.474
2010	3964826459896.904
2011	4472956125338.123
2012	4613755123234.352
2013	4901694361003.388
2014	5210574546506.633
2015	4988363203436.019
2016	5062777211466.13
2017	5510873415873.088
2018	6051804323261.686
2019	6223537996867.539
2020	5168119765646.003
2021	6217773769882.96
2022	7125446611875.402
2023	7690269613550.8545